bios 255 exam 1 questions and correct
answers
name the structure and whether it contains oxygenated or deoxygenated blood - CORRECT - ANSWERS
right atrium; deoxygenated
name the structure - CORRECT - ANSWERS aortic semilunar valve
oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron - CORRECT -
ANSWERS erythrocytes; hemoglobin
of the formed elements, which cells are responsible for immune function, clotting, and gas transfer-in
that order? - CORRECT - ANSWERS leukocytes, platelets, erythrocytes
what are the major functions of blood? (you must name 3) - CORRECT - ANSWERS 1) plays a role in
immune function
2) temp regulation
3) pH regulation
4) gas/nutrients/ waste transport
5) regulates water loss
a patient has a stroke volume of 70ml/beat, a heart rate of 70 beats/min, a mean arterial pressure of
100, systolic BP of 95 and diastolic BP of 60. calculate output of this patient - CORRECT - ANSWERS
CO=SVxHR=70ml/beat/min=4900ml/min=4.9L/min
which ions mediate the upstroke, plateau, and downstroke of a cardiac action potential. indicate the
contraction phase that correlates to these events - CORRECT - ANSWERS upstroke=sodium;
depolarization
plateau=calcium; contraction
answers
name the structure and whether it contains oxygenated or deoxygenated blood - CORRECT - ANSWERS
right atrium; deoxygenated
name the structure - CORRECT - ANSWERS aortic semilunar valve
oxygen is carried by _______ cells. it binds to proteins called ______ that contain iron - CORRECT -
ANSWERS erythrocytes; hemoglobin
of the formed elements, which cells are responsible for immune function, clotting, and gas transfer-in
that order? - CORRECT - ANSWERS leukocytes, platelets, erythrocytes
what are the major functions of blood? (you must name 3) - CORRECT - ANSWERS 1) plays a role in
immune function
2) temp regulation
3) pH regulation
4) gas/nutrients/ waste transport
5) regulates water loss
a patient has a stroke volume of 70ml/beat, a heart rate of 70 beats/min, a mean arterial pressure of
100, systolic BP of 95 and diastolic BP of 60. calculate output of this patient - CORRECT - ANSWERS
CO=SVxHR=70ml/beat/min=4900ml/min=4.9L/min
which ions mediate the upstroke, plateau, and downstroke of a cardiac action potential. indicate the
contraction phase that correlates to these events - CORRECT - ANSWERS upstroke=sodium;
depolarization
plateau=calcium; contraction
